Zephyr and Nordic nRF Connect SDK - 05 Analog/Digital-Converter (ADC)

Рік тому

nRF Connect SDK is the new SDK from Nordic Semiconductor and replaces the old nRF5 SDK. It is based on the Zephyr real-time operating system. Zephyr supports multithreading. The hardware is configured via a device tree and components are activated or deactivated via a configuration file. Internal and external resources such as I²C-bus or sensors can be controlled via drivers. The nRF connect SDK supports the network technologies OpenThread, ZigBee, BLE and Matter. Visual Studio Code can be used as a development environment. In this video i make a short introduction into ADC and measurement chain. Then we connect a light dependent resistor (LDR) to our developer board and program an AD-conversion with Zephyr.

КОМЕНТАРІ: 16

@bayroncabrera2592 Рік тому

Thanks a lot for sharing this valuable information for free, regards from Colombia, keep going !

@alexheslop2899 5 місяців тому

This is a really great series, thank you!

@glenn8829 Рік тому

Thank you for this video. I've been struggling to get an ADC working on an nrf52832 for a bit. Your video was clear and concise, and I was finally able to get my project working. Well done, sir!👍👍👏👏

@nandoanalog 10 місяців тому

I just can't make the adc work at all.

@user-eo4ql1vf1f Місяць тому

Can you share your code for it. I am still having issues

@RedCode44 Рік тому

Thanks you really helped us a lot!

@zip1982besh Рік тому

Thank you!

@ByteBuilders-dj4dr 8 місяців тому

Hi, Amazing video. it would a lot if you can share these files too. Thankyou

@ryanthomas4793 Рік тому

Thank you for these excellent videos! Have you been able to get adc working with the dongle? It seems like the dongle profile has some misconfigured items in the sample code from nordic.

@wizardy6267 Рік тому

That is an excellent tutorial, thanks for your help. One quick question, I checked the nRF52840 datasheet, and it seems this PCB does not have analog out, is it normal that PCD does not have analog out? Or I missed something e.g some GIPO may be used as analog out pins?

@El3ktr0on 7 місяців тому

How did you setup your VSCode so that in device tree it shows you some usefull information? I have only squiggles and "Unknown label" errors under every dts instance but my code works.

@wizardy6267 Рік тому

Is the code example available on GitHub?

@Michael-nu2mz 6 місяців тому

Hello sir, thank you. Is it possible to read from multiple ports and if so, how?

@Michael-nu2mz 6 місяців тому

I already solved it, now I would like to know how to read a digital input, with this board is it possible to make a DAC?

@wsniot 6 місяців тому

@@Michael-nu2mz Digital inputs can be realised very easily via the GPIOs, see button example. The nRF52840 has no built-in DAC. Analog signals can only be simulated via PWM. An external DAC via SPI/I2C or I2S would be useful here.

@Michael-nu2mz 6 місяців тому

@wsniot Thanks a lot sir, I tried to test my digital pins with a AA battery using the ADC example that you made in this video and what it does it's that it goes from near to 0V to the 1,5V provided by the battery. Do you happen to know how could I make it so that it goes from 0 to 1 or off to on on the terminal text?, I only need to know if there's a voltage on that pin. I'm very new to C and also to this nrF/zephyr programming. Your videos are super helpful.